diff --git a/scripts/test-projects.test-support.mjs b/scripts/test-projects.test-support.mjs
index f22d46930c85..a24e88c17fe5 100644
--- a/scripts/test-projects.test-support.mjs
+++ b/scripts/test-projects.test-support.mjs
@@ -458,6 +458,10 @@ const TOOLING_SOURCE_TEST_TARGETS = new Map([
       "src/plugins/contracts/deprecated-internal-config-api.test.ts",
     ],
   ],
+  [
+    "scripts/lib/deprecated-config-api-guard.mjs",
+    ["src/plugins/contracts/deprecated-internal-config-api.test.ts"],
+  ],
   ["scripts/check-extension-plugin-sdk-boundary.mjs", ["test/extension-import-boundaries.test.ts"]],
   ["scripts/check-no-conflict-markers.mjs", ["test/scripts/check-no-conflict-markers.test.ts"]],
   [
diff --git a/test/scripts/test-projects.test.ts b/test/scripts/test-projects.test.ts
index 90428f51798f..e5bd16317619 100644
--- a/test/scripts/test-projects.test.ts
+++ b/test/scripts/test-projects.test.ts
@@ -1494,6 +1494,10 @@ describe("scripts/test-projects changed-target routing", () => {
           "src/plugins/contracts/deprecated-internal-config-api.test.ts",
         ],
       ],
+      [
+        "scripts/lib/deprecated-config-api-guard.mjs",
+        ["src/plugins/contracts/deprecated-internal-config-api.test.ts"],
+      ],
       [
         "scripts/check-src-extension-import-boundary.mjs",
         ["test/extension-import-boundaries.test.ts"],